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authorMark Fasheh <mark.fasheh@oracle.com>2007-03-23 02:53:23 +0300
committerMark Fasheh <mark.fasheh@oracle.com>2007-04-27 02:07:40 +0400
commit8110b073a9135acf0a71bccfc20c0d1023f179c6 (patch)
treeb668738e25648f3fcfd7b1063ab8d4948cebc668 /fs/ocfs2
parent4f902c37727bbedbc0508a1477874c58ddcc9af8 (diff)
downloadlinux-8110b073a9135acf0a71bccfc20c0d1023f179c6.tar.xz
ocfs2: Fix up i_blocks calculation to know about holes
Older file systems which didn't support holes did a dumb calculation of i_blocks based on i_size. This is no longer accurate, so fix things up to take actual allocation into account. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/aops.c2
-rw-r--r--fs/ocfs2/dir.c9
-rw-r--r--fs/ocfs2/dlmglue.c3
-rw-r--r--fs/ocfs2/file.c2
-rw-r--r--fs/ocfs2/inode.c11
-rw-r--r--fs/ocfs2/inode.h7
-rw-r--r--fs/ocfs2/journal.c14
-rw-r--r--fs/ocfs2/namei.c4
-rw-r--r--fs/ocfs2/suballoc.c3
9 files changed, 25 insertions, 30 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index ff71e0b430cd..b74971e19d54 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1271,7 +1271,7 @@ ssize_t ocfs2_buffered_write_cluster(struct file *file, loff_t pos,
i_size_write(inode, pos);
mark_inode_dirty(inode);
}
- inode->i_blocks = ocfs2_align_bytes_to_sectors((u64)(i_size_read(inode)));
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
di->i_size = cpu_to_le64((u64)i_size_read(inode));
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec);
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 8d22e1e4a88d..67e6866a2a4f 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -358,7 +358,7 @@ int ocfs2_do_extend_dir(struct super_block *sb,
{
int status;
int extend;
- u64 p_blkno;
+ u64 p_blkno, v_blkno;
spin_lock(&OCFS2_I(dir)->ip_lock);
extend = (i_size_read(dir) == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters));
@@ -377,9 +377,8 @@ int ocfs2_do_extend_dir(struct super_block *sb,
}
}
- status = ocfs2_extent_map_get_blocks(dir, (dir->i_blocks >>
- (sb->s_blocksize_bits - 9)),
- &p_blkno, NULL, NULL);
+ v_blkno = ocfs2_blocks_for_bytes(sb, i_size_read(dir));
+ status = ocfs2_extent_map_get_blocks(dir, v_blkno, &p_blkno, NULL, NULL);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -488,7 +487,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
dir_i_size += dir->i_sb->s_blocksize;
i_size_write(dir, dir_i_size);
- dir->i_blocks = ocfs2_align_bytes_to_sectors(dir_i_size);
+ dir->i_blocks = ocfs2_inode_sector_count(dir);
status = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);
if (status < 0) {
mlog_errno(status);
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 8de6678a340a..43267eea3538 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -1495,8 +1495,7 @@ static void ocfs2_refresh_inode_from_lvb(struct inode *inode)
if (S_ISLNK(inode->i_mode) && !oi->ip_clusters)
inode->i_blocks = 0;
else
- inode->i_blocks =
- ocfs2_align_bytes_to_sectors(i_size_read(inode));
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
inode->i_uid = be32_to_cpu(lvb->lvb_iuid);
inode->i_gid = be32_to_cpu(lvb->lvb_igid);
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index f516619a3744..e34474c04678 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -216,7 +216,7 @@ int ocfs2_set_inode_size(handle_t *handle,
mlog_entry_void();
i_size_write(inode, new_i_size);
- inode->i_blocks = ocfs2_align_bytes_to_sectors(new_i_size);
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
inode->i_ctime = inode->i_mtime = CURRENT_TIME;
status = ocfs2_mark_inode_dirty(handle, inode, fe_bh);
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 310049bf7f6b..4bfc98c70137 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -221,6 +221,9 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
goto bail;
}
+ OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
+ OCFS2_I(inode)->ip_attr = le32_to_cpu(fe->i_attr);
+
inode->i_version = 1;
inode->i_generation = le32_to_cpu(fe->i_generation);
inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
@@ -232,8 +235,7 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
if (S_ISLNK(inode->i_mode) && !fe->i_clusters)
inode->i_blocks = 0;
else
- inode->i_blocks =
- ocfs2_align_bytes_to_sectors(le64_to_cpu(fe->i_size));
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
inode->i_mapping->a_ops = &ocfs2_aops;
inode->i_atime.tv_sec = le64_to_cpu(fe->i_atime);
inode->i_atime.tv_nsec = le32_to_cpu(fe->i_atime_nsec);
@@ -248,9 +250,6 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
(unsigned long long)OCFS2_I(inode)->ip_blkno,
(unsigned long long)fe->i_blkno);
- OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
- OCFS2_I(inode)->ip_attr = le32_to_cpu(fe->i_attr);
-
inode->i_nlink = le16_to_cpu(fe->i_links_count);
if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL))
@@ -1243,7 +1242,7 @@ void ocfs2_refresh_inode(struct inode *inode,
if (S_ISLNK(inode->i_mode) && le32_to_cpu(fe->i_clusters) == 0)
inode->i_blocks = 0;
else
- inode->i_blocks = ocfs2_align_bytes_to_sectors(i_size_read(inode));
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
inode->i_atime.tv_sec = le64_to_cpu(fe->i_atime);
inode->i_atime.tv_nsec = le32_to_cpu(fe->i_atime_nsec);
inode->i_mtime.tv_sec = le64_to_cpu(fe->i_mtime);
diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h
index a9ced009cb9c..aa84353d0d19 100644
--- a/fs/ocfs2/inode.h
+++ b/fs/ocfs2/inode.h
@@ -138,4 +138,11 @@ int ocfs2_aio_write(struct file *file, struct kiocb *req, struct iocb *iocb);
void ocfs2_set_inode_flags(struct inode *inode);
+static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
+{
+ int c_to_s_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits - 9;
+
+ return (blkcnt_t)(OCFS2_I(inode)->ip_clusters << c_to_s_bits);
+}
+
#endif /* OCFS2_INODE_H */
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 12d2340eee29..5a8a90d1c787 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -650,25 +650,17 @@ static int ocfs2_force_read_journal(struct inode *inode)
{
int status = 0;
int i;
- u64 v_blkno, p_blkno, p_blocks;
+ u64 v_blkno, p_blkno, p_blocks, num_blocks;
#define CONCURRENT_JOURNAL_FILL 32ULL
struct buffer_head *bhs[CONCURRENT_JOURNAL_FILL];
mlog_entry_void();
- BUG_ON(inode->i_blocks !=
- ocfs2_align_bytes_to_sectors(i_size_read(inode)));
-
memset(bhs, 0, sizeof(struct buffer_head *) * CONCURRENT_JOURNAL_FILL);
- mlog(0, "Force reading %llu blocks\n",
- (unsigned long long)(inode->i_blocks >>
- (inode->i_sb->s_blocksize_bits - 9)));
-
+ num_blocks = ocfs2_blocks_for_bytes(inode->i_sb, inode->i_size);
v_blkno = 0;
- while (v_blkno <
- (inode->i_blocks >> (inode->i_sb->s_blocksize_bits - 9))) {
-
+ while (v_blkno < num_blocks) {
status = ocfs2_extent_map_get_blocks(inode, v_blkno,
&p_blkno, &p_blocks, NULL);
if (status < 0) {
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 9bdbe4ae92f8..2bcf353fd7c5 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -285,7 +285,7 @@ static int ocfs2_fill_new_dir(struct ocfs2_super *osb,
i_size_write(inode, inode->i_sb->s_blocksize);
inode->i_nlink = 2;
- inode->i_blocks = ocfs2_align_bytes_to_sectors(inode->i_sb->s_blocksize);
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
status = ocfs2_mark_inode_dirty(handle, inode, fe_bh);
if (status < 0) {
mlog_errno(status);
@@ -1688,7 +1688,7 @@ static int ocfs2_symlink(struct inode *dir,
goto bail;
}
i_size_write(inode, newsize);
- inode->i_blocks = ocfs2_align_bytes_to_sectors(newsize);
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
} else {
inode->i_op = &ocfs2_fast_symlink_inode_operations;
memcpy((char *) fe->id2.i_symlink, symname, l);
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 6dbb11762759..0da655ae5d6f 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -381,8 +381,7 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
le32_to_cpu(fe->i_clusters)));
spin_unlock(&OCFS2_I(alloc_inode)->ip_lock);
i_size_write(alloc_inode, le64_to_cpu(fe->i_size));
- alloc_inode->i_blocks =
- ocfs2_align_bytes_to_sectors(i_size_read(alloc_inode));
+ alloc_inode->i_blocks = ocfs2_inode_sector_count(alloc_inode);
status = 0;
bail: